-----------------------------------------------------------------|
-----------------------------------------------------------------|
-----------------------------------------------------------------|
12-12--12-10-12-14-14-14--14-14--15-15--15-13-15-13--13-13--13-13|
10-10--10-8--10-12-12-12--12-12--13-13--13-11-13-11--11-11--11-11|
-----------------------------------------------------------------|
----------------------------------------------|
----------------------------------------------|
----------------------------------------------|
12-12--15-15--13-13--1717171717171717171717---|
10-10--13-13--11-11---------------------------|
----------------------------------------------|
-------------------------|
-------------------------|
-------------------------|
-----------------------3*|
-----------------0-x-0---|
5b-0-5b-5b-5b-3b-0-x-0---|
--------------------|----------------------------|
--------------------|----------------------------|
--------------------|----------------------------|
--------------------|5-7-5-9-7-10----------------|
--------------------|3-5-3-7-5-8-----------------|
5-0-5h4h3h4h5h4h3-x3|----------------------------|
*Tremelo Pick*
--------------------|-------|
--------------------|-------|
--------------------|-------|
--------------------|-------|
--------------------|-------|
5-0-5h4h3h4h5h4h3-x3|1-3-5-9|
--------------------------------------------------------|-----------|
--------------------------------------------------------|-----------|
--------------------------------------------------------|-----------|
--------------------------------------------------------|-----------|
000000000000-5------000000000000------------------------|12-12-12-12|
000000000000-3-/12\-000000000000-5b-0-5b-0-5b-0-5b-5b-5b|-----------|
-----------------------------------------------------------------|
-----------------------------------------------------------------|
-----------------------------------------------------------------|
12-12--12-10-12-14-14-14--14-14--15-15--15-13-15-13--13-13--13-13|
10-10--10-8--10-12-12-12--12-12--13-13--13-11-13-11--11-11--11-11|
-----------------------------------------------------------------|
----------------------------------------------|
----------------------------------------------|
----------------------------------------------|
12-12--15-15--13-13--1717171717171717171717---|
10-10--13-13--11-11---------------------------|
----------------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/a/a_life_once_lost/meth_mouth_tab.html ]
-------------------------|
-------------------------|
-------------------------|
-----------------------3*|
-----------------0-x-0---|
5b-0-5b-5b-5b-3b-0-x-0---|
--------------------|----------------------------|
--------------------|----------------------------|
--------------------|----------------------------|
--------------------|5-7-5-9-7-10----------------|
--------------------|3-5-3-7-5-8-----------------|
5-0-5h4h3h4h5h4h3-x3|----------------------------|
*Tremelo Pick*
--------------------|-------|
--------------------|-------|
--------------------|-------|
--------------------|-------|
--------------------|-------|
5-0-5h4h3h4h5h4h3-x3|1-3-5-9|
--------------------------------------------------------|
--------------------------------------------------------|
--------------------------------------------------------|
--------------------------------------------------------|
000000000000-5------000000000000------------------------|
000000000000-3-/12\-000000000000-5b-0-5b-0-5b-0-5b-5b-5b|
---------------------------------------------------------|
---------------------------------------------------------|
---------------------------------------------------------|
---------------------------------------------------------|
3-1----3-1----3-1----3-1----3-1----7-5----7-5----3-1--3-1|
3-1----3-1----3-1----3-1----3-1----7-5----7-5----3-1--3-1|
*Solo* (Start tremelo picking after first 14 note)
-----------------------------------------------------------|
-----------------------------------------------------------|
-----------------------------------------------------------|
12b-12b-14-15-14-12-11-15-14-12-11-12-11-9-8-12-11-9-8b\12b|
-----------------------------------------------------------|
-----------------------------------------------------------|
*Tremelo Pick*
15-12-14-10-12-8-10-6-8-5-6-3-4-1-3-1-0-1-3-5b-5-5/9b|
----------------------------------3-1-0-1-3-5b-5-5/9b|
-----------------------------------------------------|
-----------------------------------------------------|
-----------------------------------------------------|
-----------------------------------------------------|
------------|
------------|
------------|
7-5-------3*|
7-5-0-0-0---|
----0-0-0---|
--------------------------------------------------------|
--------------------------------------------------------|
--------------------------------------------------------|
--------------------------------------------------------|x3
000000000000-5------000000000000------------------------|
000000000000-3-/12\-000000000000-5b-0-5b-0-5b-0-5b-5b-5b|
On the fourth one just keep repeating the last part until the song ends.